Re: Invoking cdbdump from a bash script, hanging

[email protected] (Paul Jarc) Thu, 19 Dec 2002 11:53:37 -0500

Newsgroups	gmane.comp.djb.cdb
Organization	What did you have in mind? A short, blunt, human pyramid?
Message-ID	<[email protected]>

"Gerrit Pape" <[email protected]> wrote:
> On Wed, Dec 18, 2002 at 09:22:54PM -0800, Chris Wilkes wrote:
>> A typical transaction would be asking if an MD5 entry is in there.
>> A non-typical one would be changing an entry's value from 0 to 1 or
>> vice versa.
>
> If you don't change the length of a value, you can edit the value in the
> binary cdb directly, without recreating the hashes.

Multi-byte writes may not be atomic (AFAIK), so another requirement is
that the hash values should be only one byte.  (In this case, they
are.)


paul